31540353334125 has 16 divisors (see below), whose sum is σ = 52483147948608. Its totient is φ = 16821521778000.

The previous prime is 31540353334121. The next prime is 31540353334199. The reversal of 31540353334125 is 52143335304513.

It is not a de Polignac number, because 31540353334125 - 2² = 31540353334121 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31540353334121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42053804071 + ... + 42053804820.

It is an arithmetic number, because the mean of its divisors is an integer number (3280196746788).

Almost surely, 2^{31540353334125} is an apocalyptic number.

It is an amenable number.

31540353334125 is a deficient number, since it is larger than the sum of its proper divisors (20942794614483).

31540353334125 is an equidigital number, since it uses as much as digits as its factorization.

31540353334125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84107608909 (or 84107608899 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 42.

Adding to 31540353334125 its reverse (52143335304513), we get a palindrome (83683688638638).

The spelling of 31540353334125 in words is "thirty-one trillion, five hundred forty billion, three hundred fifty-three million, three hundred thirty-four thousand, one hundred twenty-five".